81204714

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 187689600

約数和(自身を除く): 106484886

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 97, 111, 194, 222, 291, 333, 419, 582, 666, 838, 873, 999, 1257, 1746, 1998, 2514, 2619, 3589, 3771, 5238, 7178, 7542, 10767, 11313, 15503, 21534, 22626, 31006, 32301, 40643, 46509, 64602, 81286, 93018, 96903, 121929, 139527, 193806, 243858, 279054, 365787, 418581, 731574, 837162, 1097361, 1503791, 2194722, 3007582, 4511373, 9022746, 13534119, 27068238, 40602357, 81204714]

約数ペア:

[(1, 81204714), (2, 40602357), (3, 27068238), (6, 13534119), (9, 9022746), (18, 4511373), (27, 3007582), (37, 2194722), (54, 1503791), (74, 1097361), (97, 837162), (111, 731574), (194, 418581), (222, 365787), (291, 279054), (333, 243858), (419, 193806), (582, 139527), (666, 121929), (838, 96903), (873, 93018), (999, 81286), (1257, 64602), (1746, 46509), (1998, 40643), (2514, 32301), (2619, 31006), (3589, 22626), (3771, 21534), (5238, 15503), (7178, 11313), (7542, 10767)]